Chorizo, corn and kidney bean salad

Ingredients

• 6 chorizo sausages, sliced
• 1 1/2 corn kernels
• 1 can red kidney beans, rinsed
• 1 avocado, cubed
• 3 pcs medium tomatoes, sliced
• 1/2 head iceberg lettuce, chopped
• 1 small red onion, sliced
• 1 teaspoon ground cumin
• 1/4 cup balsamic vinegar
• 2 tablespoons bacon oil
• 2 tablespoons chopped coriander
• flour tortillas
• Sour cream
• juice from 2 lemons
• 2 tablespoons butter